Disclosure to Promote the Right To Information

Transcription

1 इ टरन ट म नक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. ज न1 क अ+धक र, ज 1 क अ+धक र Mazdoor Kisan Shakti Sangathan The Right to Information, The Right to Live प0र 1 क छ ड न' 5 तरफ Jawaharlal Nehru Step Out From the Old to the New IS 3269 (1981): Specification for Stock Anchors [TED 17: Shipbuilding]! न $ एक न' भ रत क +नम-ण Satyanarayan Gangaram Pitroda Invent a New India Using Knowledge! न एक ऐस खज न > ज कभ च0र य नहB ज सकत ह ह Bhartṛhari Nītiśatakam Knowledge is such a treasure which cannot be stolen

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5 1s : Indian Standard SPECIFICATION FOR STOCK ANCHORS (First Revision ) Chairman SHRI S. PARMANANDHAN Members Shipbuilding Sectional Committee, MCPD 1 Representing Ministry of Defence ( NHQ) DIRECTOR OF NAVAL CONSTRUCTION (Alternate to Shri S. Parmanandhan ) SHRI S. K. BOSE Garden Reach Shipbuilders & Engineers Ltd, Calcutta SHRI A. R. CHOKSI The Indian National Shipowners Association, Bombay SHRI R. ROY CHOWDIIIURY Calcutta Port Trust, Calcutta SHRI V. G. DAMLE AFCO Ltd, Bombay; and Institute of Marine Technologists, Bombay SHRI A. KAPUR (Alternate ) AFCO Ltd, Bombay SHRI R. D. PARALKAR 1 ( Alternate ) I SHRI B. D. WADIA ( Alternate ) } Institute of Marine Technologists, Bombay SHRI A. T. JOSEPH ( Alternate ) [ CAPT P. S. BARVE ( Alternate ) J HONY SECRETARY The Institute of Marine Engineers ( Indian Division Council ). Bombay SHRI K. S. MANI ( Alternate) SHI~I A. T. JOSEPH ( Alternate ) SERI D. B. IRAN1 Directorate General of Shipping, Bombay SARI J. S. BHATTI ( Alternate ) SHRI MADAN L. KOCHHAR American Bureau of Shipping, Bombay SIZRI P. K. BANERJEE ( Alternate ) SHRI T. S. RAJAN Ericson & Richards, Bombay SHRI C.M. RAO Hindustan Shipyard Ltd, Vishakhapatnam SHRI S. SRINIVASAN ( Alternate ) SHRI H. S. RAO Indian Register of Shipping, Bombay SHRI S. RATRA Lloyd s Register of Shipping, Bombay SHRI D. MADHOK ( Alternate ) CDR N. RAVINDRANATHAN Ministry of Defence ( DGI ) LT A. S. OBEROI ( Cobright 1981 INDIAN STANDARDS INSTITUTION ( Continued on Page 2 1 This publication is protected under the Zndiun Cq yight Act ( XIV of 1957) and reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an infringement of copyright under the said Act.

6 IS : ( Continuedfrom page 1 ) Members Representing S~RIK.SANEARANARAYANAN Directorate General of Technical Development, New Delhi SHRI H. K. SHARMA ( Alternate ) SERI B. R. SAWARKAR &chin Shipyard Ltd, Cochin SHRI P. R. GOVIL ( Alternate ) SHRI G.SINRA SF India Ltd, Calcutta SHRI H. SVENSSON ( Alternate ) CAPT V. SUBRAMANIAN The Shipping Corporation of India Ltd, Bombay SERI S. SUNDARAM ( Alternate) SHRIT.N.SUJAN Larsen & Toubro Ltd, Bombay SHRI A. B. THAKUR Ministry of Shipping & Transport SHRI S. N. SUMAN ( Ahernate ) SHRI P. S. DAS, Director General, IS1 (Ex-oficio Member) Director ( MCPD ) Secretary SHRI V. K. SEHQAL Deputy Director ( MCPD ), ISI

7 Indian Standard IS : SPECIFICATION FOR STOCK ANCHORS ( First Revision ) 0. FOREWORD 0.1 This Indian Standard was adopted by the Indian Standards Jnstitution on 30 January 1981, after the draft finalized by the Shipbuilding Sectional Committee had been approved by the Marine, Cargo Movement and Packaging Division Council. 0.2 An anchor is designated by its nominal mass. The dimensions of the anchor and its component parts depend upon the nominal mass and the design features of the anchor. 0.3 This standard was first published in The need for the revision of this standard was felt regarding the range of nominal mass. 0.4 In the formulation of this standard due weightage has been given to international coordination among the standards and practices prevailing in different countries in addition to relating it to the practices in the field in this country. This has been met by basing the standard on the following publications: JIS F 3301 : 1975 Anchors, Japanese Industrial mittee PN W : 1961 Admiralty anchor. Polish mittee Standards Standards Com- Com- 0.5 This standard is one of a series of Indian Standards on anchors. Other standards in the series are: IS : General requirements for anchors (first revision ) IS : Specification for stockless anchors ( for ships use ) (first revision ) IS : Specification for stock and single fluke stock anchors ( for harbour use ) 0.6 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test, shall be rounded off in accordance with 3

8 IS t 3269 = 1981 IS : *. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard, 1. SCOPE 1.1 This standard specifies the nominal mass (ranging from 25 to kg ), dimensions and materials for the various components of stock anchors. 2. TERMINOLOGY 2.1 For the purpose of this standard the definitions given in IS : ? shall apply. 3. DIMENSIONS AND MASS 3.1 Mass and dimensions for stock anchor and its components shall be as given in Tables 1 and 2. All the dimensions are based on the basic dimension A = S = vg, where G is the nominal mass of stock anchor in kilograms The mass and dimensions for stock anchors and anchor shackles shall be as given in Table 1 read with Fig The mass and dimensions for stock together with its locking arrangement shall be as given in Table 2 read with Fig The dimensions of various parts of stock anchor shall not vary by more than 4, percent from the specified values. The variation of any dimension from the specified value shall not exceed 20 mm. 3.3 Machining tolerances shall conform to coarse series of IS : $. 3.4 The mass of different components shall not vary by more than 5 percent from the specified value of the mass of these components, provided the total mass of anchor is not less than the nominal mass given in Tables 1 and MATERIAL FOR CONSTRUCTION 4.1 The material for the construction of stock anchor and its various components shall be as specified in IS : t. *Rules for rounding off numerical values ( revised ). TGeneral requirements for anchors (Jirst revision ). SAllowable deviation for dimensions without specified tolerances (jrst revision). 4

9 ~ANCHOR SHACKLE 6 AI) ENLARGED AT X VIEW ANCHOR SHACKLE Frc.1 DIMENSIONS FOR STOCICANCHORSANDANCHOR SHACKLES

10 IS I B..- OETAIL AT X, P-sl8-l 17 FIG. 2 WASHER. COT TEi DIMENSIONS FOR STOCK WITH LOCKING ARRANGEMENT 4.2 The material for washer and cotter shall be of forged steel Grade 2 conforming to IS : * :or cast steel conforming to IS : t. 4.3 The chain and split pin shall be of mild steel and of suitable size in proportion to that of washer and cotter. 5.. TESTS 5.1 Stock anchors shall be tested according to the tests prescribed in IS : :. 6. DESIGNATION 6.1 The stock anchor shall be designated by its name, the nominal mass and number of this standard. Example: A stock anchor having a nominal mass of kg shall be designated as: Stock Anchor x kg IS: 326g : *Specification for carbon steel forgings for shipbuilding industry. TSpecification for steel castings for ship s structure ( jrst revision ). #General requirements for anchors (jirst revision ), 6

11 IS : MARKING 7.1 The stock anchors shall be marked as specified in IS : * The stock anchors may also be marked with the IS1 Certification Mark. NOTE - The use of the IS1 Certification Mark is governed by the provisions of the Indian Standards Institution ( Certification Marks) Act and the Rules and Regulations made thereunder. The IS1 Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a well-defined system of inspection, testing and quality control which is devised and supervised by IS1 and operated by the producer. IS1 marked products are also continuously checked by IS1 for conformity to that standard as a further safeguard. Details of conditions under which a licence for the use of the IS1 Certification Mark may be granted to manufacturers or processors, may be obtained from the Indian Standards Institution. *General requirements for anchors (first reoisic?n ). 7

12 As in the Original Standard, this Page is Intentionally Left Blank

13 fs : %?G % :: Gj 2t I Y t IG ;J; G IO I $l t I t2 127 : I tt lti t i tit lit I G i G6 94 1t G lt G t lti 278 : t G I Yti I t IG G J i7 98 ):1 44. is Ifi E 19 3t7 3GG j <s 4; 55 iis J :: lt ly G Gl lg I!)5 1 4G G It t G GO OG 50 G Gt I t t34 G5 94 t b7 2n.i I I t GO2 26 4G ? 129 bl 77 23t I t : 2 G?Y j GO O&l G 2 OGO It t GG l lt t4 57t G G G t I ,t II t I JIjO 2 2t3 123 l7d 2G ; ti3?!I I GO8 613 GO I YY 795 3i bl sn It2 G j I71 nr I01 :wo I7 1 II I 220 Y GPY lx4 G2 0 It t G G-H) 676 G G t l I Gl2 2 tll f IO G t GG F NOTB - For other nominal weights, with the given proportions, required dimensions may be calculated. - 9

14 IS I TABLE 2 MASS AND DIMENSIONS FOR STOCK WITH LOCKING ARRANGEMENT ( Clauscr 3.1, 3.1.2, 3.4, and Fig. 2 ) All dimensions in millimetres lyo :a4 : ;t :: z :; 22: : ;i :: :: 1 2 z;: I ! z z t: t: a i3 :: :: : :: :: :: : :; : f: a zs t4 t : ;z I ; I15 I ? ;: ; : :: (j2 IO ::: $ ;z t: ;; NOTE - For other nominal weighfr, with the given proportions, required dimensions may he calculated.

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